C# - How To Get The Content Of A Specific HTML Element On Server Side
Sep 25, 2010
I get some URL from a XML feed. Now the question is how do I get a specific data from each page represented by those URLs. For example if I have a URL: [URL] in the feed data and on that page there is a table like this:
[code]...
Now the question is how do I get the content of the span which has the class "summary" and which is the child of the having a class name "snip". We do have to decode emove the encoded html contained by the span.
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May 10, 2010
i write the following code to access page "JQueryPage.aspx" and get data from it using jQuery
<script type="text/javascript">
$.get
(
"JQueryPage.aspx",
function(data) {
alert("Data Loaded: " + data);
}
);
</script>
"JQueryPage.aspx" is just a page that contain DIV called 'resultsDIV' that contain the data that i want to return the above code return data variable that contain "JQueryPage.aspx" html and i want to get DIV content from it .
i have 2 questions:
1- how can i extract DIV content from data object
2- is this way is th best to get that data ?
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Aug 7, 2010
i can use escape() and unescape() functions by Client side easily, but the problem when i have use escape() method for peice of HTML , then i dont know how to unescape this piece of HTMl By Server Side not By Client Side. how i can unescape (escapped HTML) by server side?
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May 7, 2015
I have MasterPage.master and 3 page that use this masterpage
1-home.aspx
2-product.aspx
3-information.aspx
in masterpage I defive 3 DIV
<div id="Home" runat="server"></div> <div id="Product" runat="server">
</div> <div id="Information" runat="server"></div>
I want in Home.aspx it change <div id="Home"> Background's image so I wrote below code in home.aspx behind code:
Home.Style["background-image"]=Page.ResolveUrl("~/Images/Extra/H.jpg"); but this error happen: the name Home doesn't exist in the current context
I think it happen because I define div in masterpage not in home.aspx so if I want do it what should I do?
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Jun 14, 2010
I want to enable comment posting on my page, so i need to execute some html encoding before post is sent and inserted into a database. What is the ideal side for this? Sever side(I work with asp.net) or client side (javascript)?
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Nov 3, 2010
Element 'content' is not a known element. this can occur if there is a compilation error in the website, or the web.config file is missing.
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">
<asp:Content --- showed a green wavy line , and on hover displayed the above error.
Now I am having certain problems.
1. Visual Studio 2010 hangs when I try to use ToolBox.
2. Intellisense for asp.net controls is not working.
I have tried replacing web.config file (frm backup) , tried to debug - it doesnt show anything.
All other websites are working alright. Have problem with only one of the websites.
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Dec 4, 2010
I have one html string in DB like below
<div style="padding-left: 200px; padding-top: 20px">
<div style="text-align: left;padding-top:10px">
<input id="Text1" type="text" /></div>
<div style="text-align: left;padding-top:10px">
<input id="Text2" type="text" /></div>
<div style="text-align: left; padding-top: 10px">
<input id="Button1" type="button" value="Submit" /></div>
</div>
i wan to render this in aspx page. but before this i want to all runat server to all html control in above string
like
<div style="padding-left: 200px; padding-top: 20px">
<div style="text-align: left;padding-top:10px">
<input id="Text1" runat="server" type="text" /></div>
<div style="text-align: left;padding-top:10px">
<input id="Text2" runat="server" type="text" /></div>
<div style="text-align: left; padding-top: 10px">
<input id="Button1" runat="server" type="button" value="Submit" /></div>
</div>
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Apr 24, 2010
I am using Javascript to alter the innerHTML attribute of a <td> and I need to get that info back in the form submittal. The <td> corrosponds to an <asp:TableCell> on the server-side, where the Text attribute is set to an initial value.
The user cannot enter the value in this particular field. Instead, its value is set by me (via client-side script) based on actions that the user performs. But this field is useless to me if I can't see its value on the server-side as well.
I'd like to avoid using a read-only textbox, because those are difficult to resize dynamically. Can an <asp:Label> be used as form data? Is there any way to achive this without letting the user manually enter the data? Or is there a simpler way to store a string as a variable somewhere and send it back as form-data?
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Nov 11, 2010
I'm currently using VS 2008 and I am trying to make my web application to print only 1 specific data set from my SQL database.
For example, i got 3 rows of data sets, how can I choose only 1 data set to be printed?
string reportPath = Server.MapPath("CrystalReport2.rpt");
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Feb 6, 2010
Is it possible to use JavaScript passed by Ajax on the client-side? I am getting an "object expected" error from an onClick event from a HTML control that is passed with the JS. The controls and JS work when the page is rendered on the server.
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Jun 29, 2010
how to get the value of
<textarea id="textarea" style="width: 600px; height: 200px" >
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Jul 30, 2010
I have the following html that I want to convert it to use asp.net web control
[Code]....
What will be the best approach? I thought about using asp:ImageButton, but it only has a PostBackUrl, sounds like it does a http post to default.aspx, but the html simply do a http get to default.aspx .
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Mar 15, 2011
how to get HTML control value server side . I have the following control.
[code]....
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Oct 4, 2010
I am trying to wire some fancy Javascript (PopBox) to an ImageButton control and I am getting a very strange run-time (Compilation) error.
<asp:imagebutton id="imgBtnPicture" runat="server"
class="PopBoxImageSmall"
pbshowcaption="true"
title="Click to magnify/shrink"
onclick="Pop(this,50,'PopBoxImageLarge');"
width="90%">
</asp:imagebutton>
I've looked at replacing the ImageButton web control with a simpler HTML img tag (which is what the PopBox documentation suggests). Yet, I don't know how to populate an <img> tag from the CodeBehind file. Here is a typical statement which sets the .SRC property from an ASP.Net dataset row:
Me.imgBtnPicture.Src = theRow.Item("ImageURL")
I've tried this as an alternative:
<img alt="" src=""
id="imgPicture" runat="server"class="PopBoxImageSmall" title="Click to magnify/shrink"
onclick="Pop(this,50,'PopBoxImageLarge');" width="90%"
/>
Visual Studio 2008 does not complain about this declaration above but in the codebehind file, how would I address this so I could populate the .Src attribute.
Intellisense, cannot even "see" this
Me.imgPicture.src = theUrl 'this won't compile...
I added this at the top of the codebehind but seemed to have no effect:
Imports System.Web.UI.HtmlControls
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Oct 18, 2010
How Can I (Or Is It Possible?) Add Item to Html Combobox ServerSide ?Or Bind It in behind Code in asp.net ?Does My question Clear?
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Jul 20, 2010
access to HTML elements. On the server side those elements exists in temTemplate of a repeater control.
<asp:Repeater ID="rptList" runat="server" onitemcreated="rptList_ItemCreated">
HeaderTemplate>
<div id="accordionGiftLelo">
</HeaderTemplate>
<ItemTemplate>
[code]...
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Mar 24, 2011
I have stored my tags in the SQL Server database,
TABLE NAME: Tags
COLUMNS
TagID
TagName
TagURL
Now I want to create a list like below in the aspx page, created from the database. I have done the work of keeping all the tags and tagURL from the database in a dataset. But I have no idea how to create dynamic HTML list or asp.net list from database.
I have to create list like this:
[Code]....
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Oct 15, 2010
I am making use of XSLT in showing a XML form. But in XSLT file along with the path of XML, I have a checkbox and a textbox input html control type. My question is how can I access these html control input value in the server page?
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Aug 17, 2012
how i can bind <a href="?"> from database?
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Jun 22, 2010
At first, I should confess that I am not sure if it is a good practice or not. I have came out with the idea due to my practice of jQuery.ajax().
What I want to achieve is depended on this design:
//Server Side; an .asmx file contains a method like this:
[WebMethod]
public string NewContent(string parameter)
{
string renderedHTML = string.Empty();
switch(parameter)
{
case ("person"):
// create an asp.net panel with
// some controls in it that has form elements to enter person data
// render control and assign its html to renderedHTML
break;
case ("department"):
// create an asp.net panel with
// some controls in it that has form elements to enter department data
// render control and assign its html to renderedHTML
break;
}
}
And from the client I want to do this:
// Some html in the page
<script type="text/JavaScript">
jQuery.post('ajax/myWebServices.asmx/NewContent'
function(returnedPanelContent) {
$('.result').html(returnedPanelContent);
});
</script>
Question is:
How can I make it work? Briefly to have a webservice method that returns different asp.net Panel control content created programmatically so that I can get this control rendered as HTML in my client-side and insert it to my web page?
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Oct 21, 2010
I have a textbox in one grid-view column where upon entering a particular value and losing focus of the textbox, should post to the server to get the text validated through a server-side method. If the entry is valid, a result set to fill rest of row cells would be returned, else the bgcolor of the textbox needs to be changed to Red.
I tried posting back through the obvious way, i.e. making the textbox's autopostback as true and wiring up a server-side OnTextChanged event handler to validate the entered value.
It is working with this setup, but is also affecting the remaining page controls behaviour. For example, if I click a button in some other grid after entering some text in the textbox, the OnTextChanged handler gets called thus preventing the button's click event, which I also wish to call to execute its functionality.
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Jul 28, 2010
I am trying to create an HTML button that can use a C# server side delete function. since I don't know how many results I will have at the page, the control is created dynamically when the end user searches for current Messages:
CmsContactUsContent += string.Format("
"<input type='image' value='delete' id='del{8}' runat='server' onClick='DeleteItem' img src='/MaromyDotNet/img/AdminIcons/note.png' style='width:16px;'/>" +
"</div>" +
"<div style='clear:both'></div></div>", message.ContactMessageId);
There is a Class called ContactMessage and I'd like at each iteraion to allow the user to delete the current message through this function:
public void DeleteItem(object sender, EventArgs e)
{
int idToDelete = 41;
BLLContactMessage.deleteMessageById(idToDelete);
}
However, the event does not fire.
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Feb 27, 2010
Following code is an example, I just want to know if this can be done. I have an test.aspx file with this server side include tag;
<!--#include file="listOfCountries.htm" -->
Within listOfCountries.htm, I have:
<html>
<div>
<select id="countryList" runat="server">
<option></option>
...
</select>
</div>
</html>
Now, Is there a way to access "countryList" in test.aspx.cs file? On another note, say I didn't have the #include "Countries.htm" in test.aspx, is it possible to access the controls within Countries.htm from test.aspx.cs ? (i.e. accessing an external html file controls in cs)
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Jan 13, 2011
I'm trying to insert some html 'div' tags inside a tabcontainer from server side. I haven't seen anything similar on the net. Here's the situation:
I have the following TabContainer on a form:
<cc1:TabContainer ID="TabContainer1" runat="server">
<cc1:TabPanel HeaderText="Person">
<ContentTemplate>
<div id="Test">
</div>......
How can I acheive that? If it's not possible, what other alternatives do I have? The most important requirement for me is to allow the user to remove the data by clicking on it.
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Mar 3, 2011
What is the best way to show the server-side generated HTML (full page) into a new popup window? It should be triggered upon clicking a button (causing a postback to the server).
Edited:
The HTML content are dynamically generated in the code behind and the content is full page (<html> ... </html>). Upon clicking a button on the web page, I would like to get the generated html content and pass it to the browser and show it in a new popup window. The content will be the final result (UI) not HTML tags.
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